-er -up a-a a-b a-c aaa aab aac aae aap aar aas aau ab- aba abb abc abe abp abr abs abu ac- aca acb acc ace acp acr acs acu aea aeb aec aee aep aer aes aeu ap- apa apb apc ape app apr aps apu ar- ara arb arc are arp arr ars aru as- asa asb asc ase asp asr ass asu au- aua aub auc aue aup aur aus b-p b-u baa bab bac bae bap bar bas bau bba bbb bbc bbe bbp bbr bbs bbu bca bcb bcc bce bcp bcr bcs bcu be- bea beb bec bee bep ber bes beu bpa bpb bpc bpe bpp bpr bps bpu bra brb bre brp brr brs bru bsa bsb bsc bse bsp bsr bss bsu bua bub buc bue bup bur bus buu c-- caa cab cac cae cap car cas cau cba cbb cbc cbe cbp cbr cbs cbu cca ccb ccc cce ccp ccr ccs ccu ce- cea ceb cec cee cep cer ces ceu cpa cpb cpc cpe cpp cpr cps cpu cra crb crc cre crp crr crs cru csa csb csc cse csp csr css csu cua cub cuc cue cup cur cus cuu eaa eab eac eae eap ear eas eau eba ebb ebc ebe ebp ebr ebs ebu ec- eca ecb ecc ece ecr ecs ecu eea eeb eec eee eep eer ees ep- epa epb epc epe epp epr eps epu era erb erc ere erp err ers eru es- esa esb esc ese esp esr ess esu eu- eua eub euc eue eup eur eus p-p paa pab pac pae pap par pas pau pba pbb pbc pbe pbp pbr pbs pbu pca pcb pcc pce pcp pcr pcs pcu pea peb pec pee pep per pes peu ppa ppb ppc ppe ppp ppr pps ppu pra prb prc pre prp prr prs pru ps- psa psb psc pse psp psr pss psu pua pub puc pue pup pur pus puu ra- raa rab rac rae rap rar ras rau rba rbb rbc rbe rbp rbr rbs rbu rca rcb rcc rce rcp rcr rcs rcu re- rea reb rec ree rep rer res reu rpa rpb rpc rpe rpp rpr rps rpu rra rrb rrc rrp rrr rrs rru rsa rsb rsc rse rsp rsr rss rsu rua rub ruc rue rup rur rus ruu saa sab sac sae sap sar sas sau sba sbb sbc sbe sbp sbr sbs sbu sca scb scc sce scp scr scs scu se- sea seb sec see sep ser ses seu spa spb spc spe spp spr sps spu sr- sra srb src sre srp srr srs ss- ssa ssb ssc sse ssp ssr sss ssu sua sub suc sue sup sur sus suu ua- uaa uab uac uae uap uar uas uau uba ubb ubc ube ubp ubr ubs ubu uca ucb ucc uce ucp ucr ucs ucu uea ueb uec uee uep uer ues up- upa upb upc upe upp upr ups upu ur- ura urb urc ure urp urr urs uru usa usb usc use usp usr uss usu uua uuc uue uur uus uuu

-ase a-be aaaa aaab aaac aaae aaap aaar aaas aaba aabb aabc aabp aaca aacb aacc aace aacp aacr aacs aacu aaea aaec aaep aaes aapa aapc aaps aara aarc aare aarp aars aaru aasa aasc aase aass aasu aaup aaus abaa abab abac abae abap abar abas abau abb- abba abbb abbe abbr abbs abca abcb abcc abcp abcr abcs abec abee aber abes abpa abpc abpp abpr abps abra abrc abrs abs- absa abse absp abss absu abua abue abus acaa acab acac acae acap acar acas acba acca accc acce accp accs accu ace- acea acec acer aces acpa acpe acpr acps acpu acr- acra acrc acre acrr acrs acsa acsc acse acss acu- acue acup acur acus aeac aeap aeas aebs aecb aeer aer- aera aerc aers aesc aess apac apap apar apas apba apbr apbs apca apcb apcc apcr apcs apea apec apep aper apes apeu appa appc appr apps appu apra aprc apre aprs apsa apse apss apsu apua apuc apup apus arab arac arae arap arar aras arau arba arbe arbs arc- arca arce arcs area arec aree arep ares areu arpa arpe arps arpu arr- arra arrc arre arrr arrs arru ars- arsa arsc arse arsu arua arub arue arup asaa asab asac asae asap asar asas asau asba asbu asc- asca ascb ascc asce ascp ascr asea asec asee asep aser ases aspa aspc aspe aspr asps asra asrc asrs asru assa assc asse assp assr asss assu asub asue asur asus auaa aube auca auce aucp auer aupc aups aur- aura aure ausa ause ausu baaa baar baas baba babb babe babr babs babu bac- baca bacc bace bacs baer baes bapa bapc bape bapp baps bapu bar- bara barb barc bare barr bars baru basa basc base bass basu bau- baur bbas bbau bbbb bbbs bbeb bbpr bbrc bcaa bcap bcar bcas bcbc bcbp bcbs bcca bccc bccs bcec bcer bces bcpp bcps bcra bcrs bcru bcsa bcsc bcss bcuc bcup beap bear beas beau beba bebb bebe beca becs becu beeb beep beer bees bera berc bere berr bers beru bes- besa bese bess beur bpcp bpea bprc bpsa bpsu brab brac brae bras brau brca brcb brce brea breb brec bree brep brer bres brrr brrs brsb brsr bruc brue brup brus bsaa bsac bsap bsas bscp bscs bsea bseb bsec bsee bser bses bspp bspr bsra bssc bsse bsup buar buba bubb bube bubs bubu buca bucc buce bucs bucu buea buer bueu bupa bupc bups bur- bura burb bure burp burr burs buru busa busc buse buss busu buus caaa caab caac caap caas caba cabe cabs cabu cac- caca cacc cace cacr caec caer caes caeu capa capb capc cape capp caps capu cara carb carc care carp carr cars casa casb